Home / 19,855,254.30-29,751,388.65-13,115,795.10

Finding the Fourth Proportional to 19,855,254.30, 29,751,388.65 and 13,115,795.10

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Solution

The fourth proportional to 19,855,254.30, 29,751,388.65 and 13,115,795.10 is: 19,652,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,855,254.30 : 29,751,388.65 = 13,115,795.10 : x
  2. Step 2: Convert to fraction form
    19,855,254.30/29,751,388.65 = 13,115,795.10/x
  3. Step 3: Cross multiply
    19,855,254.30x = 29,751,388.65 × 13,115,795.10
  4. Step 4: Simplify right side
    19,855,254.30x = 390,213,117,473,865.56
  5. Step 5: Solve for x
    x = 390,213,117,473,865.56/19,855,254.30
  6. Step 6: Final answer
    x = 19,652,889.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.